- hard polyvinyl chloride
- rigid polyvinyl chloride
- rigid pvc
- 硬: hard; stiff; tough
- 聚氯乙烯: polyvinyl chloride; Utryl; G ...
- 硬聚氯乙烯管: hard polvinyl choride pipe; rigid vinyl pipe; upvc pipe
- 给水用硬聚氯乙烯: unplasticized polyvinyl chloride pipe for water supply
- 硬聚氯乙烯电线管: hard polyvinyl-chloride conduit
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